Watts F121465 Relief Valve 322057-301 preventing the excessive amperage draw

preventing the excessive amperage draw and overheating that typically leads to premature motor failure

Adjustable Hysteresis: Dial in a 1 to 30°F differential to prevent short-cycling of compressors or furnace fans

Common indicators include the system being stuck in one mode

To test the contacts

Watts F121465 Relief Valve 322057-301 preventing the excessive amperage drawThe Watts F121465 LF174A 50 FS is a 3 4 inch lead free pressure relief valve designed for boiler, hydronic heating, and hot water system protection. Rated at 50 PSI, this valve helps prevent excessive pressure buildup that can damage boilers, piping, storage tanks, and connected HVAC equipment. In residential and commercial hydronic systems, pressure relief valves are critical safety components that automatically discharge excess pressure to maintain